CN107281586A - A kind of syringe needle manual retrieving formula intravenous infusion needle - Google Patents

A kind of syringe needle manual retrieving formula intravenous infusion needle Download PDF

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Publication number
CN107281586A
CN107281586A CN201710432400.3A CN201710432400A CN107281586A CN 107281586 A CN107281586 A CN 107281586A CN 201710432400 A CN201710432400 A CN 201710432400A CN 107281586 A CN107281586 A CN 107281586A
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CN
China
Prior art keywords
needle
built
sliding sleeve
needle stand
intravenous infusion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710432400.3A
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Chinese (zh)
Inventor
王祖扬
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CN107281586A publication Critical patent/CN107281586A/en
Priority to KR1020207000422A priority Critical patent/KR102433741B1/en
Priority to ES18812646T priority patent/ES2953809T3/en
Priority to AU2018279677A priority patent/AU2018279677B2/en
Priority to CA3066506A priority patent/CA3066506C/en
Priority to CN201810590298.4A priority patent/CN108939204B/en
Priority to PCT/CN2018/090524 priority patent/WO2018224045A1/en
Priority to SG11201911847XA priority patent/SG11201911847XA/en
Priority to EP18812646.0A priority patent/EP3636299B1/en
Priority to CN201820889086.1U priority patent/CN209500430U/en
Priority to BR112019026051-0A priority patent/BR112019026051B1/en
Priority to RU2019144051A priority patent/RU2744547C1/en
Priority to US16/708,160 priority patent/US11338085B2/en
Priority to ZA2019/08161A priority patent/ZA201908161B/en
Priority to PH12019502779A priority patent/PH12019502779A1/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • A61M25/0631—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for fully covering the needle after its withdrawal, e.g. needle being withdrawn inside the handle or a cover being advanced over the needle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • A61M25/0637—Butterfly or winged devices, e.g. for facilitating handling or for attachment to the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
    • A61M5/1626—Needle protectors therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • A61M2005/1583—Needle extractors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • A61M2005/1585—Needle inserters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • A61M2005/1586—Holding accessories for holding infusion needles on the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • A61M2005/1587—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body suitable for being connected to an infusion line after insertion into a patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/27—General characteristics of the apparatus preventing use
    • A61M2205/273—General characteristics of the apparatus preventing use preventing reuse, e.g. of disposables

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention provides a kind of syringe needle manual retrieving formula intravenous infusion needle, including：Needle stand, needle stand is in hollow circle tube, and one end is used to install needle tubing, and the other end is used for connecting conveying pipe；Built-in sliding sleeve, needle stand is detachably loaded with respect in built-in sliding sleeve, and is slid freely in built-in sliding sleeve；Protective housing, protective housing is that upper and lower protective housing is snapped together, and built-in sliding sleeve is arranged in protective housing and slid freely in protective housing；When needle stand pulled into spacing place from built-in sliding sleeve, and built-in sliding sleeve is pulled into after spacing place from protective housing, and needle tubing is completely covered so as to which syringe needle can not be exposed.A kind of advantage of syringe needle manual retrieving formula intravenous infusion needle of the present invention is that pricking wound and cross-infection, product design miniaturization can be prevented, simple production process, cost are low.

Description

A kind of syringe needle manual retrieving formula intravenous infusion needle
Technical field
The present invention relates to the technical field of medicine equipment, more particularly to a kind of syringe needle manual retrieving formula intravenous infusion needle.
Background technology
The disposable safe transfusion needle product that at home and abroad in the market is widely used at present, limitednumber.It is main former Because being that transfusion needle volume is very small, if the technical requirements of transfusion needle can be extremely difficult to and real by increasing safety device on transfusion needle The purpose of existing convenient use.A safety transfusion needle being used effectively in the market is by the soft of Bi Di companies of U.S. production Manage back shell type transfusion needle.Its principle is, using the subsidiary overcoat flexible pipe in transfusion Aculeata, after transfusion terminates, to extract transfusion needle And overcoat flexible pipe is raised to needle section entangle syringe needle to realize the purpose of safeguard protection.The product is although simple in construction and can be full The technical requirements of sufficient transfusion needle, but in-convenience in use, and to patient and user, all there are still potential in use Security risk.The safety transfusion needle of existing other all kinds of innovations, due to the technology to transfusion needle can not be met simultaneously It is required that the purpose with convenient use（As volume is excessive）, it is commercially available and is widely popularized use very rare.
The key technology requirement of safety transfusion needle is mainly：
1）No more than 1.5 millimeters of the vertical range of needle tubing and needle stand bottom, otherwise can be formed between needle tubing and needle tubing base compared with Big oblique angle and be easily caused needle point and blood vessel stabbed；
2）To be unable to volume too big due to be fixed on the long period on patient's the back of the hand for transfusion needle, otherwise in-convenience in use and causing to suffer from Person's discomfort etc..
The existing traditional infusion pin being widely used of in the market, when extracting needle tubing, operating personnel can be cocked and hold hand Handle extracts needle tubing, and the operating process can cause needle tubing to rotate in the blood vessels, the potential risk that there is needle point injured blood vessel（This is just It is one of the reason for patient often infused easily suffers from phlebitis）.Needle tubing is exposed is easily caused acupuncture outside for used pollution Wound and secondary damage are so as to cause the risk of cross-infection.
The hose type safety transfusion needle of above-mentioned wall enlightening production, except in-convenience in use, also there is secondary injury and extracting The potential risk of damage is caused during needle tubing to patient vessel.
The innovative design of other all kinds of safety transfusion needles, all generally existing problems with or technological difficulties：1）It is difficult to simultaneously Meet the technology and safety requirements to transfusion needle and realize miniaturized design and easy to use.Some product designs are still good but nothing Method realizes that bulk industrial production is also one of reason.
In order to solve the above problems, the purpose of the present invention is：
1. realize safe infusion：
1）The potential injury of blood vessel being likely to result in infusion process to patient is reduced to greatest extent；
2）Prevention medical worker faces in operation to greatest extent potential pricking wound and cross-infection；
3）Prevent potential secondary damage and environmental pollution during MEDICAL WASTE TREATMENT
2. product design is miniaturized：
1）The miniaturized design of product is realized by structure innovation, the technical requirements and patient comfort of transfusion are met
2）The operating habit of user is not changed, use more facilitates, comfortably；
3. simplify production technology：
1）Product design is succinct, and simple production process is easy to implement industrialized mass production；
2）While product quality and security is greatly improved, production cost is significantly reduced.
The content of the invention
In order to achieve the above object, one aspect of the present invention provides a kind of syringe needle manual retrieving formula intravenous infusion needle, Including：
Needle stand, needle stand is in hollow circle tube, and one end is used to install needle tubing, and the other end is used for connecting conveying pipe；The tail end of needle stand connects Tailstock is connected to, the diameter of tailstock is more than the diameter of needle stand；
Handle is provided with the tailstock of needle stand, handle includes the central axis of limiting section and bar portion, limiting section and bar portion and needle stand It is parallel to each other, bar portion is shaft-like free end；
Built-in sliding sleeve, needle stand is detachably loaded with respect in built-in sliding sleeve, and is slid freely in built-in sliding sleeve, and the tailstock of needle stand is all the time Outside built-in sliding sleeve；Built-in sliding sleeve is the approximate letter-c-shaped groove of lateral cross section；
Protective housing, protective housing is that upper and lower protective housing is snapped together, and built-in sliding sleeve is arranged in protective housing and protected Slid freely in protective case body；
When needle stand pulled into spacing place from built-in sliding sleeve, and built-in sliding sleeve is pulled into after spacing place from protective housing, Needle tubing is completely covered so as to which syringe needle can not be exposed.
Another aspect of the present invention provides a kind of syringe needle manual retrieving formula intravenous infusion needle, including：Needle stand, needle stand is in Hollow circle tube, one end is used to install needle tubing, and the other end is used for connecting conveying pipe；The tail end of needle stand is connected with tailstock, tailstock Diameter is more than the diameter of needle stand；
Built-in sliding sleeve, needle stand is detachably loaded with respect in built-in sliding sleeve, and is slid freely in built-in sliding sleeve, and the tailstock of needle stand is all the time Outside built-in sliding sleeve；Built-in sliding sleeve is the approximate letter-c-shaped groove of lateral cross section；
Protective housing, protective housing is that upper and lower protective housing is snapped together, and built-in sliding sleeve is arranged in protective housing and protected Slid freely in protective case body；
When needle stand pulled into spacing place from built-in sliding sleeve, and built-in sliding sleeve is pulled into after spacing place from protective housing, Needle tubing is completely covered so as to which syringe needle can not be exposed.
Further, needle stand is used to installing the head zone of syringe needle and is provided with the first location division, built-in sliding sleeve and is provided with the One holding section so that the tail end of needle stand is when skidding off built-in sliding sleeve, and the first location division is spacing by the first holding section, thus needle stand without Method departs from from built-in sliding sleeve.
After the first location division and the first holding section, which are realized, to be engaged, when pulling on needle stand, built-in cunning can be driven at engaging The tail end of set is skidded off from protective housing.
Preferably, the first location division is the sliding block for being raised in needle stand outer peripheral face, and the first holding section is to be arranged in groove Strip through-hole or bar-shaped trough, sliding block, which is limited in the length range of strip through-hole or bar-shaped trough, to be slided.
Preferably, sliding block is multiple, including a top shoe and a pair of symmetrical side slides, and bar-shaped trough is symmetrically arranged two It is individual.
Preferably, top shoe is corresponding with strip through-hole, and a pair of side slides are corresponding with a pair of bar-shaped troughs.
Pass through top shoe and the first holding section so that the tail end of needle stand is when pulling out built-in sliding sleeve, the shifting of axis direction It is dynamic to be limited；A pair of bar-shaped troughs are caught in by a pair of side slides so that when needle stand is in sliding sleeve built in being installed to, radial direction Movement is also limited；Therefore, when needle stand is arranged in built-in sliding sleeve, structure is more consolidated.
Preferably, the tail end through hole that narrows gradually of tail end one width of formation of strip through-hole, after the bending of tail end through hole again to The head end extension of strip through hole, forms a fish hook shape through hole, so as to form a ligule plate in tail end through hole, when sliding block is along bar During shape through hole slides into tail end through hole, ligule plate is produced elastic deformation by slipper push, leads to when sliding block reaches tail end During the setting position in hole, the recoverable force of ligule plate so that sliding block it is locked and can not reverse slide.
Preferably, the length of built-in sliding sleeve is adapted with needle stand so that needle stand removes two ends end to end and is all incorporated in built-in cunning In set.
Further, it is symmetrically arranged with the second location division on two longitudinal terminal surfaces of C-shaped groove.
Further, built-in sliding sleeve is arranged in upper shell, and lower house is provided with the second holding section, when the tail of built-in sliding sleeve When end skids off lower house to setting position, the second location division enters the second holding section so that built-in sliding sleeve can not be from lower house Depart from.
Preferably, the second holding section is symmetrical two.
Further, the 3rd holding section of elastically deformable is provided with the inner surface of lower house, when the tail end of built-in sliding sleeve Lower house is skidded off to during setting position, promotes the 3rd holding section the 3rd holding section is occurred elastic deformation, when built-in When sliding sleeve reaches setting position, the end face of the head end of built-in sliding sleeve is recovered and blocked to the elastic deformation of the 3rd holding section so that interior Put sliding sleeve it is locked and can not reverse slide.
Preferably, the lateral cross section of upper and lower protective housing is in approximately letter U shape.
Preferably, the length of protective housing and the length of built-in sliding sleeve are adapted so that built-in sliding sleeve is incorporated in protection In housing.
Preferably, the head zone of lower house is additionally provided with the 4th location division, and the 4th location division engages to lock with side slide Needle stand is determined, while the built-in sliding sleeve is locked by the tailstock of the needle stand；When pulling out pin, needle stand is pulled back, side slide extruding the Four location divisions so that the 4th location division elastic deformation, so that the 4th location division and side slide are disengaged so that the tail end of needle stand can be with Pull out built-in sliding sleeve.
Preferably, including wing-like blades, bar portion is rotatably coupled to connect with wing-like blades.
Preferably, the 3rd location division, lower house and the 3rd positioning are provided with the limiting section outer surface adjacent with lower house The 4th holding section is provided with the corresponding outer surface in portion, when the 3rd location division is caught in the 4th holding section, needle stand is locked, together Sliding sleeve built in Shi Suoshu is locked by the tailstock of the needle stand；When the 4th holding section departs from three location divisions, the tail end of needle stand can To be pulled out from built-in sliding sleeve.
Preferably, the 3rd location division is the triangle block portion of protrusion, and the 4th holding section is the shape phase with the 3rd location division The triangular-shaped recess of adaptation.
Further, the tail end of needle stand is installed with double-vane blade.
Further, the head zone of lower protective housing is provided with the 4th location division, for locking needle stand.
Preferably, two blades of double-vane blade are symmetrical.
By such structure, it is avoided that needle tubing is rotated in the blood vessels, reduces the potential risk of needle point injured blood vessel, drops The patient of low frequent transfusion suffers from the possibility of phlebitis.
Preferably, blade is Elastic plastic-rubber material；When pulling out pin, after being overlaped after two blade doublings, one hand is pinched Firmly pull back, syringe needle is that can extract and enter in protective housing and built-in sliding sleeve.
Preferably, wherein, the ultimate range of needle tubing to the outer peripheral face of lower protective housing is less than or equal to 1.5 millimeters.
Preferably, wherein, the ultimate range of needle tubing to the outer peripheral face of lower protective housing is 1.2 millimeters.
Pass through such structure so that needle tubing and the vertical range of needle stand bottom are no more than 1.5 millimeters, in order to avoid needle tubing and pin It can form larger oblique angle between ttom of pipe seat and be easily caused needle point and blood vessel is stabbed.
The present invention is using the needle stand and the safeguard protection housing that is engaged with needle stand of particular design and positioned at needle stand with protecting Removable built-in sliding block between protective case body constitutes the agent structure of safety transfusion needle.When infusion starts, venipuncture is with using Conventional tradition puncture needle operation is just the same；After infusion-completed, Safety shell, a hand-held needle stand handle, by normal are pressed on the other hand The method that rule pull out pin extracts needle tubing out of patient body, after needle tubing is pulled back to protective housing completely, and needle stand is by locked It can not again move forward and backward, the purpose of safe handling is reached with this.
The installation step and application method of syringe needle manual retrieving formula intravenous infusion needle of the present invention are as follows：
1）Needle stand is assembled：Needle stand+woven hose+needle tubing+sheath+handle fin；
2）The needle stand assembled is caught in removable built-in sliding block；
3）Removable built-in sliding block band needle stand is put into safeguard protection upper casing；
4）Press C on safeguard protection lower cover and firmly and upper casing clamping, the now projection on the right side of lower casing and needle stand handle branch The depression formation of internal side engages and fixes needle stand with housing.
5）Application method and traditional infusion pin are completely the same, are simply to press safeguard protection shell on the other hand extracting syringe needle, Another hand hand-held handle fin is gently outwards pulled back, you can it is external that needle tubing is extracted into patient（Needle tubing bounces back to safe guarantor In sheath）.
Advantages of the present invention is mainly reflected in following aspects：
1. prevent pricking wound and cross-infection：
1）The potential injury of blood vessel being likely to result in infusion process to patient is reduced to greatest extent；
2）Prevention medical worker faces in operation to greatest extent potential pricking wound and cross-infection；
3）Prevent potential secondary damage and environmental pollution during MEDICAL WASTE TREATMENT
2. product design is miniaturized：
1）The miniaturized design of product is realized by structure innovation, the technical requirements and patient comfort of transfusion are met
2）The operating habit of user is not changed, use more facilitates, comfortably；
3. production technology：
1）Product design is accurate, succinct, and simple production process is easy to implement industrialized mass production；
2）While product quality and security is greatly improved, production cost is significantly reduced.
Brief description of the drawings
Fig. 1 is the structural representation of the syringe needle manual retrieving formula intravenous infusion needle of the preferred embodiment of the present invention；
Fig. 2 is the structural representation of the needle stand of the syringe needle manual retrieving formula intravenous infusion needle of the preferred embodiment of the present invention；
Fig. 3 is the structural representation of the handle fin of the syringe needle manual retrieving formula intravenous infusion needle of the preferred embodiment of the present invention Figure；
Fig. 4 is the structural representation of the built-in sliding sleeve of the syringe needle manual retrieving formula intravenous infusion needle of the preferred embodiment of the present invention Figure；
Fig. 5 is the structural representation of the lower house of the syringe needle manual retrieving formula intravenous infusion needle of the preferred embodiment of the present invention Figure；
Fig. 6 is the structural representation of the upper shell of the syringe needle manual retrieving formula intravenous infusion needle of the preferred embodiment of the present invention Figure；
Fig. 7 for the upper shell of the syringe needle manual retrieving formula intravenous infusion needle of the preferred embodiment of the present invention A to sectional view；
Fig. 8 is the open mode of the syringe needle manual retrieving formula intravenous infusion needle of the preferred embodiment of the present invention after use Structural representation；
Fig. 9 is closed mode of the syringe needle manual retrieving formula intravenous infusion needle of the preferred embodiment of the present invention before use Structural representation；
Figure 10 shows for the looking up for built-in sliding sleeve of the syringe needle manual retrieving formula intravenous infusion needle of the preferred embodiment of the present invention It is intended to；
Figure 11 is the structural representation of the syringe needle manual retrieving formula intravenous infusion needle of another preferred embodiment of the present invention；`
Figure 12 shows for local longitudinal section view of the syringe needle manual retrieving formula intravenous infusion needle of another preferred embodiment of the present invention It is intended to；
Figure 13 is the broken section signal of the syringe needle manual retrieving formula intravenous infusion needle of another preferred embodiment of the present invention Figure.
Embodiment
Several preferred embodiments of the present invention are introduced below with reference to Figure of description, citing proves that the present invention can be implemented, Its technology contents can be made more clear and readily appreciated to those of skill in the art's complete description present invention.The present invention It can be emerged from by many various forms of embodiments, its protection domain is not limited only to the embodiment mentioned in text, Figures and description herein substantially illustrates rather than the limitation present invention.In the accompanying drawings, structure identical part is with phase Represented with number designation, the similar component of structure or function is represented with like numeral label everywhere.
As depicted in figs. 1 and 2, a preferred embodiment of the invention provides a kind of syringe needle manual retrieving formula venous transfusion Pin, including needle stand 1, needle stand 1 are in hollow circle tube, and one end is used to install needle tubing 2, and the other end is used for connecting conveying pipe；Needle stand 1 Tail end is connected with tailstock 10, and the diameter of the tailstock 10 is more than the diameter of the needle stand 1；Handle 4, handle are provided with tailstock 10 4 include limiting section 41 and bar portion 42, and limiting section 41 and bar portion and the central axis of needle stand 1 be parallel to each other, bar portion 42 for it is shaft-like oneself By holding.Built-in sliding sleeve 3, needle stand 1 is detachably loaded with respect in built-in sliding sleeve 3, and is slid freely in built-in sliding sleeve 3, the tail of needle stand 1 Seat 10 is always positioned at outside the built-in sliding sleeve 3；Protective housing 6, protective housing is that upper and lower protective housing 61,62 is snapped together, Built-in sliding sleeve 3 is arranged in protective housing and slid freely in protective housing 6, and the tailstock 10 of needle stand 1 is located at built-in sliding sleeve 3； When needle stand 1 from built-in sliding sleeve 3 by spacing place, and built-in sliding sleeve 3 from protective housing 6 by after spacing place, needle tubing 2 is complete All standing can not be exposed so as to syringe needle.
Pass through such structure so that needle stand and removable built-in sliding block are easy to assembling, and realize removable built-in sliding block Slip and the function that is fixed between safeguard protection shell.
As shown in figure 3, including wing-like blades 5, bar portion 42 is rotatably coupled to connect with wing-like blades 5 by axle sleeve 51.The wing Shape blade 5 is Elastic plastic-rubber material, and granular projection 16 is also distributed with the surface of wing-like blades 5, so as to anti-skidding.Wing-like blades 5 surface can also set other anti-skidding means such as decorative pattern.
By such structure, it is avoided that needle tubing is rotated in the blood vessels, reduces the potential risk of needle point injured blood vessel, drops The patient of low frequent transfusion suffers from the possibility of phlebitis.
As shown in figure 4, built-in sliding sleeve 3 is the approximate letter-c-shaped groove of lateral cross section.
As shown in Fig. 1, Fig. 8, Fig. 9, the length of built-in sliding sleeve 3 is adapted with needle stand 1 so that needle stand 1 except two ends end to end all It is incorporated in built-in sliding sleeve 3.
As shown in Figure 5, Figure 7, the lateral cross section of upper and lower protective housing 61,62 is in approximately letter U shape.
As shown in Fig. 1, Fig. 9, the length of protective housing 6 and the length of built-in sliding sleeve 3 are adapted so that the built-in quilt of sliding sleeve 3 It is accommodated in protective housing 6.
As shown in Figure 2, Figure 4 shows, needle stand 1 is provided with the first location division 7, built-in sliding sleeve 3 for installing the head zone of needle tubing On be provided with the first holding section 8 so that the tail end of needle stand 1 is when skidding off built-in sliding sleeve 3, and the first location division 7 is by the first holding section 8 It is spacing, so that needle stand 1 can not depart from from built-in sliding sleeve 3.After the first location division 7 and the first holding section 8, which are realized, to be engaged, continue When pulling needle stand 1, the tail end of built-in sliding sleeve 3 can be driven to be skidded off from protective housing 6 at engaging.
In the present embodiment, the first location division 7 is the sliding block for being raised in the outer peripheral face of needle stand 1, and the first holding section 8 is recessed to be arranged on Strip through-hole or bar-shaped trough in groove, sliding block, which is limited in the length range of strip through-hole or bar-shaped trough, to be slided.
Sliding block is three, respectively top shoe 71, and the side slide 72 being symmetricly set on for a pair on the outer peripheral face of needle stand 1 （A side slide is not shown in figure）.As shown in Fig. 4 and Figure 10, strip through-hole 81 and two bar-shaped troughs 82,83 are symmetrically distributed in On the inner peripheral surface of built-in sliding sleeve 3.The tail end through hole 810 that tail end one width of formation of strip through-hole 81 is narrowed gradually, tail end through hole Extend again to the head end of strip through hole after bending, a fish hook shape through hole 811 is formed, so as to form a tongue in tail end through hole 810 Shape plate 812, during sliding block 71 slides into tail end through hole 810 along strip through hole 81, ligule plate 812 is promoted by sliding block 81 And elastic deformation is produced, and when sliding block 81 reaches the setting position of tail end through hole 810, the recoverable force of ligule plate 812 so that on Sliding block 71 it is locked and can not reverse slide.
Wherein, top shoe 71 is corresponding with strip through-hole 81, and a pair of side slides 72 are corresponding with a pair of bar-shaped troughs 82,83.
Pass through top shoe and the first holding section so that the tail end of needle stand is when pulling out built-in sliding sleeve, the shifting of axis direction It is dynamic to be limited；A pair of bar-shaped troughs are caught in by a pair of side slides so that when needle stand is in sliding sleeve built in being installed to, radial direction Movement is also limited；Therefore, when needle stand is arranged in built-in sliding sleeve, structure is more consolidated.
As shown in figure 4, being symmetrically arranged with the second location division 12 on two longitudinal terminal surfaces of C-shaped groove.
As shown in figure 5, built-in sliding sleeve 3 is arranged in upper shell 61, lower house 62 is provided with the second holding section 11, when built-in When the tail end of sliding sleeve 3 skids off lower house 62 to setting position, the second location division 12 enters the second holding section 11 so that built-in sliding sleeve 3 can not depart from from lower house 62.
In the present embodiment, the second holding section 11 is symmetrical two.
As shown in Figure 5, Figure 8, the 3rd holding section 13 of elastically deformable is provided with the inner surface of lower house 62, when built-in The tail end of sliding sleeve 3 skids off lower house 62 to during setting position, promotes the 3rd holding section 13 simultaneously to occur the 3rd holding section Elastic deformation, when built-in sliding sleeve 3 reaches setting position, the elastic deformation of the 3rd holding section 13 is recovered and blocks built-in sliding sleeve 3 Head end end face 31 so that built-in sliding sleeve 3 it is locked and can not reverse slide.
As shown in Fig. 2, Fig. 8, Fig. 9, limiting section 41 is provided with the 3rd location division 14 on the outer surface adjacent with lower house 62, The 4th holding section 15 is provided with the outer surface corresponding with the 3rd location division 14 of lower house 62, the 3rd location division 14 is caught in the 4th When in holding section 15, needle stand 1 is locked, while built-in sliding sleeve 3 is locked by the tailstock 10 of needle stand 1；When the 4th holding section 15 departs from During three location divisions 14, needle stand 1 can be pulled out from built-in sliding sleeve 3.
3rd location division 14 is the triangle block portion of protrusion, and the 4th holding section 15 is adaptable for the shape with the 3rd location division Triangular-shaped recess.
It is pointed out that above-mentioned location division and holding section in the present embodiment, the shape of convex-concave can be exchanged, that is, Say, location division can also be recess, and holding section can also be convex portion, as long as the locking of recess and convex portion can be realized.
Wherein, the ultimate range of needle tubing 2 to the outer peripheral face of lower protective housing 62 is 1.2 millimeters.
Pass through such structure so that the central axis of needle tubing is no more than 1.5 millimeters with the vertical range of needle stand bottom, with Exempt to form larger oblique angle between needle tubing and needle tubing base and be easily caused needle point and stab blood vessel.
A kind of syringe needle manual retrieving formula intravenous infusion needle of the present invention additionally provides another preferred embodiment, with above-mentioned reality Apply a difference to be, as shown in Figure 11 ~ 13, the tail end of needle stand 1 is connected with tailstock 10, and the diameter of tailstock 10 is more than needle stand 1 Diameter；The tail end of needle stand 1 is installed with double-vane blade 17.Two blades 51,52 of double-vane blade 17 are symmetrical.Blade 17 be Elastic plastic-rubber material；When pulling out pin, after being overlaped after two blades 51,52 doublings, one hand, which is pinched, to be pulled back, syringe needle It can extract and enter in protective housing 6 and built-in sliding sleeve 3.Part unlike the embodiments above is, lower protective housing 63 On be not provided with being provided with the 4th location division 9 on the 3rd location division 14, the head zone inwall of lower containment vessel 63, for locking pin Seat 1（Referring to Figure 12）, the 4th location division 9 is a pair of symmetrically arranged bevelled projections of tool.
When pulling out pin, needle stand 1 is pulled back, and side slide 72 extrudes the 4th location division 9 so that the slight elasticity of the 4th location division 9 Deformation, so that the 4th location division 9 is disengaged with side slide 72 so that the tail end of needle stand 1 can deviate from built-in sliding sleeve 3 (referring to Fig. 2 and Figure 12).
Transfusion needle is before use, above-mentioned a pair of projections 9 are engaged to lock needle stand with above-mentioned a pair of side slides 72；And it is simultaneously built-in Sliding sleeve 3 is locked by the tailstock 10 of above-mentioned needle stand 1；
When pulling out pin, needle stand 1 is pulled back, and side slide 72 extrudes the inclined-plane of a pair of projections 9 so that a pair of elastic deformations of projection 9, from And side slide 72 is disengaged with projection 9 so that the tail end of needle stand 1 can pull out built-in sliding sleeve 3.
In the present embodiment, the ultimate range of the outer peripheral face of needle tubing 2 to lower protective housing 62 or 63 is 1.3 millimeters.
The present invention is using the needle stand and the safeguard protection housing that is engaged with needle stand of particular design and positioned at needle stand with protecting Removable built-in sliding block between protective case body constitutes the agent structure of safety transfusion needle.When infusion starts, venipuncture is with using Conventional tradition puncture needle operation is just the same；After infusion-completed, Safety shell, a hand-held needle stand handle, by normal are pressed on the other hand The method that rule pull out pin extracts needle tubing out of patient body, after needle tubing is pulled back to protective housing completely, and needle stand is by locked It can not again move forward and backward, the purpose of safe handling is reached with this.
The installation step and application method of syringe needle manual retrieving formula intravenous infusion needle of the present invention are as follows：
1）Needle stand is assembled：Needle stand+woven hose+needle tubing+sheath+handle wing-like blades；
2）The needle stand assembled is caught in removable built-in sliding block；
3）Removable built-in sliding block band needle stand is put into safeguard protection upper casing；
4）Press C on safeguard protection lower cover and firmly and upper casing clamping, the now projection on the right side of lower casing and needle stand handle branch The depression formation of internal side engages and fixes needle stand with housing；
5）Application method and traditional infusion pin are completely the same, are simply to press safeguard protection shell on the other hand extracting syringe needle, another Hand hand-held handle wing-like blades are gently outwards pulled back, you can it is external that needle tubing is extracted into patient（Needle tubing bounces back to safe guarantor In sheath）.
Advantages of the present invention is mainly reflected in following aspects：
1. prevent pricking wound and cross-infection：
1）The potential injury of blood vessel being likely to result in infusion process to patient is reduced to greatest extent；
2）Prevention medical worker faces in operation to greatest extent potential pricking wound and cross-infection；
3）Prevent potential secondary damage and environmental pollution during MEDICAL WASTE TREATMENT
2. product design is miniaturized：
1）The miniaturized design of product is realized by structure innovation, the technical requirements and patient comfort of transfusion are met
2）The operating habit of user is not changed, use more facilitates, comfortably；
3. production technology：
1）Product design is accurate, succinct, and simple production process is easy to implement industrialized mass production；
2）While product quality and security is greatly improved, production cost is significantly reduced.
It the above is only the preferred embodiments of the present invention, it is noted that for those skilled in the art, not On the premise of departing from the principle of the invention, some improvements and modifications can also be made, these improvements and modifications also should be regarded as the present invention Protection domain.

Claims (21)

1. a kind of syringe needle manual retrieving formula intravenous infusion needle, it is characterised in that including：
Needle stand, the needle stand is in hollow circle tube, and one end is used to install needle tubing, and the other end is used for connecting conveying pipe；The needle stand Tail end be connected with tailstock, the diameter of the tailstock is more than the diameter of the needle stand；
Handle is provided with the tailstock of the needle stand, the handle includes limiting section and bar portion, the limiting section and the bar portion It is parallel to each other with the central axis of the needle stand, the bar portion is shaft-like free end；
Built-in sliding sleeve, the needle stand is detachably loaded with respect in the built-in sliding sleeve, and is slid freely in the built-in sliding sleeve, institute The tailstock for stating needle stand is always positioned at outside the built-in sliding sleeve；The built-in sliding sleeve is the approximate letter-c-shaped groove of lateral cross section；
Protective housing, the protective housing is that upper and lower protective housing is snapped together, and the built-in sliding sleeve is arranged on the protection Slid freely in housing and in the protective housing；
When the needle stand pulled into spacing place, and built-in sliding sleeve quilt from the protective housing from the built-in sliding sleeve It is pulled out to after spacing place, the needle tubing is completely covered so as to which syringe needle can not be exposed.
2. a kind of syringe needle manual retrieving formula intravenous infusion needle, it is characterised in that including：
Needle stand, the needle stand is in hollow circle tube, and one end is used to install needle tubing, and the other end is used for connecting conveying pipe；The needle stand Tail end be connected with tailstock, the diameter of the tailstock is more than the diameter of the needle stand；
Built-in sliding sleeve, the needle stand is detachably loaded with respect in the built-in sliding sleeve, and is slid freely in the built-in sliding sleeve, institute The tailstock for stating needle stand is always positioned at outside the built-in sliding sleeve；The built-in sliding sleeve is the approximate letter-c-shaped groove of lateral cross section；
Protective housing, the protective housing is that upper and lower protective housing is snapped together, and the built-in sliding sleeve is arranged on the protection Slid freely in housing and in the protective housing；
When the needle stand pulled into spacing place, and built-in sliding sleeve quilt from the protective housing from the built-in sliding sleeve It is pulled out to after spacing place, the needle tubing is completely covered so as to which syringe needle can not be exposed.
3. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 1 or 2, it is characterised in that the needle stand is used to pacify The head zone of dress needle tubing is provided with the first location division, the built-in sliding sleeve and is provided with the first holding section so that the needle stand Tail end when skidding off the built-in sliding sleeve, first location division is spacing by first holding section, thus the needle stand without Method departs from from the built-in sliding sleeve.
4. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 1 or 2, it is characterised in that first location division To be raised in the sliding block of the needle stand outer peripheral face, first holding section is the strip through-hole or bar being arranged in the groove Shape groove, the sliding block, which is limited in the length range of the strip through-hole or bar-shaped trough, to be slided.
5. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 4, it is characterised in that the sliding block is multiple, bag Bar-shaped trough described in a top shoe and a pair of symmetrical side slides is included for symmetrically arranged two.
6. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 5, it is characterised in that wherein, the top shoe with The strip through-hole is corresponding, and the pair of side slide is corresponding with a pair of bar-shaped troughs.
7. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 6, it is characterised in that the tail end of the strip through-hole The tail end through hole that a width is narrowed gradually is formed, is extended again to the head end of the strip through hole after the tail end through hole bending, shape Into a fish hook shape through hole, so that a ligule plate is formed in the tail end through hole, when the sliding block is slided along the strip through hole During moving the tail end through hole, the ligule plate produces elastic deformation by the slipper push, when the sliding block is arrived Up to the tail end through hole setting position when, the recoverable force of the ligule plate so that the sliding block it is locked and can not be reverse Slide.
8. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 1 or 2, it is characterised in that the built-in sliding sleeve Length is adapted with the needle stand so that the needle stand removes two ends end to end and is all incorporated in the built-in sliding sleeve.
9. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 1 or 2, it is characterised in that the C-shaped groove The second location division is symmetrically arranged with two longitudinal terminal surfaces.
10. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 1 or 2, it is characterised in that the built-in sliding sleeve peace In the upper shell, the lower house is provided with the second holding section, when the tail end of the built-in sliding sleeve skids off the lower casing When body is to setting position, second location division enters second holding section so that the built-in sliding sleeve can not be under described Depart from housing.
11. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 10, it is characterised in that second holding section is Symmetrical two.
12. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 1 or 2, it is characterised in that the lower house it is interior The 3rd holding section of elastically deformable is provided with surface, when the tail end of the built-in sliding sleeve skids off the lower house to setting position During putting, promote the 3rd holding section and the 3rd holding section is occurred elastic deformation, when the built-in sliding sleeve is arrived During up to the setting position, the end face of the head end of the built-in sliding sleeve is recovered and blocked to the elastic deformation of the 3rd holding section, So that the built-in sliding sleeve it is locked and can not reverse slide.
13. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 1 or 2, it is characterised in that the upper and lower protection The lateral cross section of housing is in approximately letter U shape.
14. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 1 or 2, it is characterised in that the protective housing Length and the length of the built-in sliding sleeve are adapted so that the built-in sliding sleeve is incorporated in the protective housing.
15. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 1, it is characterised in that described including wing-like blades Bar portion is rotatably coupled to connect with wing-like blades.
16. the syringe needle manual retrieving formula intravenous infusion needle as described in right wants 1, it is characterised in that the limiting section with it is described under It is provided with the adjacent outer surface of housing on the 3rd location division, the lower house outer surface corresponding with the 3rd location division The 4th holding section is provided with, when the 3rd location division is caught in the 4th holding section, the needle stand is locked, while described Built-in sliding sleeve is locked by the tailstock of the needle stand；When the 4th holding section departs from three location division, the needle stand Tail end can be pulled out from the built-in sliding sleeve.
17. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 16, it is characterised in that the 3rd location division is The triangle block portion of protrusion, the 4th holding section is the triangular-shaped recess adaptable with the shape of the 3rd location division.
18. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 2, it is characterised in that the tail end peace of the needle stand Equipped with double-vane blade；When pulling out pin, after being overlaped after two blade doublings, one hand, which is pinched, to be pulled back, and syringe needle is to pull out Go out and enter the protective housing and the built-in sliding sleeve in.
19. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 18, it is characterised in that the lower protective housing Head zone is additionally provided with the 4th location division, and the 4th location division is engaged with the side slide to lock needle stand, while described Built-in sliding sleeve is locked by the tailstock of the needle stand；When pulling out pin, the needle stand is pulled back, and the side slide extruding the described 4th is determined Position portion so that the 4th location division elastic deformation, so that the 4th location division is disengaged with the side slide so that the pin The tail end of seat can pull out the built-in sliding sleeve.
20. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 1 or 2, it is characterised in that wherein, the needle tubing Ultimate range to the outer peripheral face of the lower protective housing is less than or equal to 1.5 millimeters.
21. syringe needle manual retrieving formula intravenous infusion needle as claimed in claim 20, it is characterised in that wherein, the needle tubing is arrived The ultimate range of the outer peripheral face of the lower protective housing is 1.2 millimeters.
CN201710432400.3A 2017-04-27 2017-06-09 A kind of syringe needle manual retrieving formula intravenous infusion needle Pending CN107281586A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
RU2019144051A RU2744547C1 (en) 2017-04-27 2018-06-08 Iv needle with manual retraction
SG11201911847XA SG11201911847XA (en) 2017-04-27 2018-06-08 Intravenous infusion needle with manual needle retraction
EP18812646.0A EP3636299B1 (en) 2017-04-27 2018-06-08 Intravenous infusion needle with manual needle retraction
AU2018279677A AU2018279677B2 (en) 2017-04-27 2018-06-08 Intravenous infusion needle with manual needle retraction
CA3066506A CA3066506C (en) 2017-04-27 2018-06-08 Manually-retractable intravenous infusion needle assembly
CN201810590298.4A CN108939204B (en) 2017-04-27 2018-06-08 Manual needle retraction type intravenous infusion needle
PCT/CN2018/090524 WO2018224045A1 (en) 2017-04-27 2018-06-08 Intravenous infusion needle with manual needle retraction
KR1020207000422A KR102433741B1 (en) 2017-04-27 2018-06-08 Needle Head Manual Retraction Type Intravenous Fluid Needle
ES18812646T ES2953809T3 (en) 2017-04-27 2018-06-08 Intravenous infusion needle with manual needle retraction
CN201820889086.1U CN209500430U (en) 2017-04-27 2018-06-08 A kind of syringe needle manual retrieving formula intravenous infusion needle
BR112019026051-0A BR112019026051B1 (en) 2017-06-09 2018-06-08 MANUALLY RETRACTABLE INTRAVENOUS INFUSION NEEDLE SET
ZA2019/08161A ZA201908161B (en) 2017-06-09 2019-12-09 Intravenous infusion needle with manual needle retraction
US16/708,160 US11338085B2 (en) 2017-04-27 2019-12-09 Manually-retractable intravenous infusion needle assembly
PH12019502779A PH12019502779A1 (en) 2017-04-27 2019-12-10 Intravenous infusion needle with manuel needle retraction

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CN201710288265X 2017-04-27
CN201710288265 2017-04-27

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CN201820889086.1U Withdrawn - After Issue CN209500430U (en) 2017-04-27 2018-06-08 A kind of syringe needle manual retrieving formula intravenous infusion needle
CN201810590298.4A Active CN108939204B (en) 2017-04-27 2018-06-08 Manual needle retraction type intravenous infusion needle

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CN201810590298.4A Active CN108939204B (en) 2017-04-27 2018-06-08 Manual needle retraction type intravenous infusion needle

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US (1) US11338085B2 (en)
EP (1) EP3636299B1 (en)
JP (1) JP6993007B2 (en)
KR (1) KR102433741B1 (en)
CN (3) CN107281586A (en)
AU (1) AU2018279677B2 (en)
CA (1) CA3066506C (en)
ES (1) ES2953809T3 (en)
PH (1) PH12019502779A1 (en)
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KR20200016947A (en) 2020-02-17
CN209500430U (en) 2019-10-18
EP3636299B1 (en) 2023-06-07
BR112019026051A8 (en) 2022-10-04
JP2020522362A (en) 2020-07-30
CN108939204B (en) 2023-11-03
JP6993007B2 (en) 2022-01-13
EP3636299C0 (en) 2023-06-07
BR112019026051A2 (en) 2020-06-23
AU2018279677A1 (en) 2020-01-16
US11338085B2 (en) 2022-05-24
PH12019502779A1 (en) 2020-10-26
WO2018224045A1 (en) 2018-12-13
KR102433741B1 (en) 2022-08-18
US20200114070A1 (en) 2020-04-16
CN108939204A (en) 2018-12-07
RU2744547C1 (en) 2021-03-11
EP3636299A4 (en) 2020-10-21
CA3066506A1 (en) 2018-12-13
AU2018279677B2 (en) 2021-09-02
CA3066506C (en) 2023-11-07
ES2953809T3 (en) 2023-11-16
SG11201911847XA (en) 2020-01-30

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